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# Minimum CMake required
cmake_minimum_required(VERSION 2.8.12)
# Project
project(addressbook)
# Find required protobuf package
find_package(protobuf 3 CONFIG REQUIRED)
if(protobuf_VERBOSE)
message(STATUS "Using Protocol Buffers ${Protobuf_VERSION}")
endif()
file(GLOB SRC_LIST "*.cc")
file(GLOB PROTO_LIST "*.proto")
#
# Code generation
#
if(protobuf_MODULE_COMPATIBLE) # Old school
include_directories(${Protobuf_INCLUDE_DIRS})
protobuf_generate_cpp(PROTO_SRCS PROTO_HDRS ${PROTO_LIST})
else() # New style
set(PROTO_SRCS)
set(PROTO_HDRS)
foreach(FIL ${PROTO_LIST})
get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
get_filename_component(FIL_WE ${FIL} NAME_WE)
list(APPEND PROTO_SRCS "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc")
list(APPEND PROTO_HDRS "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h")
add_custom_command(
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc"
"${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h"
COMMAND protobuf::protoc
ARGS --cpp_out ${CMAKE_CURRENT_BINARY_DIR} -I ${CMAKE_CURRENT_SOURCE_DIR}
${ABS_FIL}
DEPENDS ${ABS_FIL}
COMMENT "Running C++ protocol buffer compiler on ${FIL}"
VERBATIM)
endforeach()
endif()
include_directories(${CMAKE_CURRENT_BINARY_DIR})
include(GNUInstallDirs)
foreach(FIL ${SRC_LIST})
get_filename_component(FIL_NAME_WE ${FIL} NAME_WE)
set(APP ${FIL_NAME_WE}_cpp)
add_executable(${APP} ${FIL} ${PROTO_SRCS} ${PROTO_HDRS})
#
# Link libraries
#
if(protobuf_MODULE_COMPATIBLE) # Old school
target_link_libraries(${APP} ${Protobuf_LIBRARIES})
else() # New style
target_link_libraries(${APP} protobuf::libprotobuf)
endif()
install(TARGETS ${APP}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT ${APP})
endforeach()
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